/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-DelaySleepPersistent-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe031_tso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-98707888a4ba860d5b57d27ee0e051c5b948cbbf-9870788 [2021-06-02 06:38:59,539 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-02 06:38:59,542 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-02 06:38:59,573 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-02 06:38:59,621 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-02 06:38:59,622 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-02 06:38:59,622 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-02 06:38:59,625 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-DelaySleepPersistent-NoLbe.epf [2021-06-02 06:38:59,646 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-02 06:38:59,646 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-02 06:38:59,646 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-02 06:38:59,646 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-02 06:38:59,647 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-02 06:38:59,647 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-02 06:38:59,647 INFO L138 SettingsManager]: * Use SBE=true [2021-06-02 06:38:59,647 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-02 06:38:59,648 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-02 06:38:59,648 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-02 06:38:59,648 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-02 06:38:59,648 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-02 06:38:59,648 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-02 06:38:59,648 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-02 06:38:59,648 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-02 06:38:59,648 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-02 06:38:59,648 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-02 06:38:59,648 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-02 06:38:59,648 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-02 06:38:59,648 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-02 06:38:59,649 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-02 06:38:59,649 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-02 06:38:59,649 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-02 06:38:59,649 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-02 06:38:59,649 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-02 06:38:59,649 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-02 06:38:59,649 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-02 06:38:59,649 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-02 06:38:59,649 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-02 06:38:59,649 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-02 06:38:59,649 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-02 06:38:59,649 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-02 06:38:59,650 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_DELAY_SET [2021-06-02 06:38:59,650 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-02 06:38:59,878 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-02 06:38:59,890 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-02 06:38:59,892 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-02 06:38:59,892 INFO L271 PluginConnector]: Initializing CDTParser... [2021-06-02 06:38:59,893 INFO L275 PluginConnector]: CDTParser initialized [2021-06-02 06:38:59,893 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe031_tso.opt.i [2021-06-02 06:38:59,932 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/69e660d82/41d946484a3e4fa191dafb10c6d7a5f6/FLAG261c584ac [2021-06-02 06:39:00,307 INFO L306 CDTParser]: Found 1 translation units. [2021-06-02 06:39:00,308 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe031_tso.opt.i [2021-06-02 06:39:00,327 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/69e660d82/41d946484a3e4fa191dafb10c6d7a5f6/FLAG261c584ac [2021-06-02 06:39:00,666 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/69e660d82/41d946484a3e4fa191dafb10c6d7a5f6 [2021-06-02 06:39:00,667 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-02 06:39:00,674 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-06-02 06:39:00,681 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-06-02 06:39:00,681 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-06-02 06:39:00,683 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-06-02 06:39:00,683 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.06 06:39:00" (1/1) ... [2021-06-02 06:39:00,701 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2870d200 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.06 06:39:00, skipping insertion in model container [2021-06-02 06:39:00,701 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.06 06:39:00" (1/1) ... [2021-06-02 06:39:00,705 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-06-02 06:39:00,774 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-06-02 06:39:00,984 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe031_tso.opt.i[949,962] [2021-06-02 06:39:01,215 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-02 06:39:01,221 INFO L203 MainTranslator]: Completed pre-run [2021-06-02 06:39:01,234 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe031_tso.opt.i[949,962] [2021-06-02 06:39:01,259 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-02 06:39:01,308 INFO L208 MainTranslator]: Completed translation [2021-06-02 06:39:01,309 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.06 06:39:01 WrapperNode [2021-06-02 06:39:01,309 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-06-02 06:39:01,309 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-02 06:39:01,310 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-02 06:39:01,310 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-02 06:39:01,315 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.06 06:39:01" (1/1) ... [2021-06-02 06:39:01,338 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.06 06:39:01" (1/1) ... [2021-06-02 06:39:01,354 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-02 06:39:01,355 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-02 06:39:01,355 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-02 06:39:01,355 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-02 06:39:01,360 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.06 06:39:01" (1/1) ... [2021-06-02 06:39:01,360 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.06 06:39:01" (1/1) ... [2021-06-02 06:39:01,373 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.06 06:39:01" (1/1) ... [2021-06-02 06:39:01,373 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.06 06:39:01" (1/1) ... [2021-06-02 06:39:01,376 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.06 06:39:01" (1/1) ... [2021-06-02 06:39:01,377 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.06 06:39:01" (1/1) ... [2021-06-02 06:39:01,378 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.06 06:39:01" (1/1) ... [2021-06-02 06:39:01,380 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-02 06:39:01,380 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-02 06:39:01,380 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-02 06:39:01,380 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-02 06:39:01,381 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.06 06:39:01" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-02 06:39:01,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-06-02 06:39:01,441 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-06-02 06:39:01,441 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-06-02 06:39:01,441 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-06-02 06:39:01,441 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-06-02 06:39:01,441 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-06-02 06:39:01,441 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-06-02 06:39:01,442 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-06-02 06:39:01,442 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-06-02 06:39:01,442 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-06-02 06:39:01,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-06-02 06:39:01,442 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-06-02 06:39:01,442 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-02 06:39:01,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-02 06:39:01,443 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-02 06:39:01,717 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-02 06:39:01,717 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-06-02 06:39:01,718 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.06 06:39:01 BoogieIcfgContainer [2021-06-02 06:39:01,718 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-02 06:39:01,719 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-02 06:39:01,719 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-02 06:39:01,721 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-02 06:39:01,721 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.06 06:39:00" (1/3) ... [2021-06-02 06:39:01,722 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3cfbafc7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.06 06:39:01, skipping insertion in model container [2021-06-02 06:39:01,722 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.06 06:39:01" (2/3) ... [2021-06-02 06:39:01,722 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3cfbafc7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.06 06:39:01, skipping insertion in model container [2021-06-02 06:39:01,722 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.06 06:39:01" (3/3) ... [2021-06-02 06:39:01,723 INFO L111 eAbstractionObserver]: Analyzing ICFG safe031_tso.opt.i [2021-06-02 06:39:01,727 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-02 06:39:01,727 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-02 06:39:01,727 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-02 06:39:01,728 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-02 06:39:01,757 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:39:01,757 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:39:01,757 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:39:01,757 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:39:01,757 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:39:01,757 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:39:01,757 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:39:01,757 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:39:01,758 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:39:01,758 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:39:01,758 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:39:01,758 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:39:01,759 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:39:01,759 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:39:01,759 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:39:01,759 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:39:01,759 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:39:01,759 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:39:01,759 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:39:01,759 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:39:01,761 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:39:01,761 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:39:01,762 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:39:01,762 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:39:01,766 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:39:01,766 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:39:01,766 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:39:01,766 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:39:01,767 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:39:01,767 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:39:01,769 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:39:01,769 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:39:01,770 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:39:01,770 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:39:01,770 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:39:01,771 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:39:01,772 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:39:01,772 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:39:01,772 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:39:01,773 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:39:01,776 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:39:01,776 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:39:01,776 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:39:01,776 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:39:01,778 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:39:01,778 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:39:01,778 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:39:01,778 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:39:01,779 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-06-02 06:39:01,793 INFO L255 AbstractCegarLoop]: Starting to check reachability of 4 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-02 06:39:01,856 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-02 06:39:01,857 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-02 06:39:01,857 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-02 06:39:01,857 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-02 06:39:01,857 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-02 06:39:01,857 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-02 06:39:01,857 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-02 06:39:01,857 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-02 06:39:02,079 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-02 06:39:02,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-02 06:39:02,085 INFO L82 PathProgramCache]: Analyzing trace with hash 2019691919, now seen corresponding path program 1 times [2021-06-02 06:39:02,091 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-02 06:39:02,092 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1566263925] [2021-06-02 06:39:02,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-02 06:39:02,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-02 06:39:02,349 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-02 06:39:02,350 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-02 06:39:02,350 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1566263925] [2021-06-02 06:39:02,350 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1566263925] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-02 06:39:02,350 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-02 06:39:02,350 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-06-02 06:39:02,351 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1062154081] [2021-06-02 06:39:02,353 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-02 06:39:02,354 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-02 06:39:02,361 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-02 06:39:02,363 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-06-02 06:39:02,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-02 06:39:02,364 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-02 06:39:02,365 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 6 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-02 06:39:02,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-02 06:39:02,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-02 06:39:02,546 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-02 06:39:02,546 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-02 06:39:02,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-02 06:39:02,547 INFO L82 PathProgramCache]: Analyzing trace with hash 1288169206, now seen corresponding path program 1 times [2021-06-02 06:39:02,547 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-02 06:39:02,547 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1371549061] [2021-06-02 06:39:02,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-02 06:39:02,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-02 06:39:02,633 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-02 06:39:02,634 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-02 06:39:02,634 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1371549061] [2021-06-02 06:39:02,634 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1371549061] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-02 06:39:02,634 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-02 06:39:02,634 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-06-02 06:39:02,634 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1292397571] [2021-06-02 06:39:02,635 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-02 06:39:02,635 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-02 06:39:02,636 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-02 06:39:02,636 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-06-02 06:39:02,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-02 06:39:02,636 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-02 06:39:02,636 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 6 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-02 06:39:02,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-02 06:39:02,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-02 06:39:02,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-02 06:39:02,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-02 06:39:02,719 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-02 06:39:02,719 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-02 06:39:02,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-02 06:39:02,720 INFO L82 PathProgramCache]: Analyzing trace with hash 1841048203, now seen corresponding path program 1 times [2021-06-02 06:39:02,720 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-02 06:39:02,720 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [946699666] [2021-06-02 06:39:02,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-02 06:39:02,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-02 06:39:02,811 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-02 06:39:02,812 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-02 06:39:02,812 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [946699666] [2021-06-02 06:39:02,812 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [946699666] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-02 06:39:02,812 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-02 06:39:02,812 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-06-02 06:39:02,812 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1483455329] [2021-06-02 06:39:02,812 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-02 06:39:02,813 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-02 06:39:02,813 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-02 06:39:02,813 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-06-02 06:39:02,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-02 06:39:02,813 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-02 06:39:02,813 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 6 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-02 06:39:02,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-02 06:39:02,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-02 06:39:02,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-02 06:39:02,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-02 06:39:02,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-02 06:39:02,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-02 06:39:02,920 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-06-02 06:39:02,920 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-02 06:39:02,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-02 06:39:02,921 INFO L82 PathProgramCache]: Analyzing trace with hash 1657678604, now seen corresponding path program 1 times [2021-06-02 06:39:02,921 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-02 06:39:02,922 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1389882805] [2021-06-02 06:39:02,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-02 06:39:02,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-02 06:39:03,060 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-02 06:39:03,061 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-02 06:39:03,061 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1389882805] [2021-06-02 06:39:03,061 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1389882805] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-02 06:39:03,061 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-02 06:39:03,061 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-06-02 06:39:03,062 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1932676452] [2021-06-02 06:39:03,062 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-02 06:39:03,062 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-02 06:39:03,063 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-02 06:39:03,064 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-06-02 06:39:03,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-02 06:39:03,064 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-02 06:39:03,064 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 7.25) internal successors, (58), 8 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-02 06:39:03,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-02 06:39:03,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-02 06:39:03,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-02 06:39:03,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-02 06:39:03,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-02 06:39:03,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-02 06:39:03,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-02 06:39:03,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-02 06:39:03,177 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-06-02 06:39:03,177 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-02 06:39:03,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-02 06:39:03,178 INFO L82 PathProgramCache]: Analyzing trace with hash 117571657, now seen corresponding path program 1 times [2021-06-02 06:39:03,178 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-02 06:39:03,178 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1181627145] [2021-06-02 06:39:03,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-02 06:39:03,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-02 06:39:03,278 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-02 06:39:03,278 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-02 06:39:03,278 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1181627145] [2021-06-02 06:39:03,278 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1181627145] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-02 06:39:03,278 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-02 06:39:03,278 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-06-02 06:39:03,279 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [161395652] [2021-06-02 06:39:03,280 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-02 06:39:03,280 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-02 06:39:03,280 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-02 06:39:03,280 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-06-02 06:39:03,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-02 06:39:03,280 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-02 06:39:03,280 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 6 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-02 06:39:03,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-02 06:39:03,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-02 06:39:03,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-02 06:39:03,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-02 06:39:03,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-02 06:39:03,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-02 06:39:03,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-02 06:39:03,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-02 06:39:03,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-02 06:39:03,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-02 06:39:03,431 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-06-02 06:39:03,431 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-02 06:39:03,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-02 06:39:03,432 INFO L82 PathProgramCache]: Analyzing trace with hash -684631593, now seen corresponding path program 2 times [2021-06-02 06:39:03,432 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-02 06:39:03,432 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2060795733] [2021-06-02 06:39:03,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-02 06:39:03,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-02 06:39:03,491 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-02 06:39:03,491 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-02 06:39:03,491 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2060795733] [2021-06-02 06:39:03,491 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2060795733] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-02 06:39:03,491 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-02 06:39:03,492 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-02 06:39:03,492 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1420571117] [2021-06-02 06:39:03,492 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-02 06:39:03,492 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-02 06:39:03,492 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-02 06:39:03,492 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-06-02 06:39:03,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-02 06:39:03,493 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-02 06:39:03,493 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 7 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-02 06:39:03,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-02 06:39:03,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-02 06:39:03,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-02 06:39:03,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-02 06:39:03,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-02 06:39:03,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-02 06:39:03,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-02 06:39:03,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-02 06:39:03,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-02 06:39:03,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-02 06:39:03,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-02 06:39:03,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-02 06:39:03,747 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-06-02 06:39:03,757 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-02 06:39:03,759 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.06 06:39:03 BasicIcfg [2021-06-02 06:39:03,759 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-02 06:39:03,759 INFO L168 Benchmark]: Toolchain (without parser) took 3085.71 ms. Allocated memory was 360.7 MB in the beginning and 465.6 MB in the end (delta: 104.9 MB). Free memory was 323.7 MB in the beginning and 311.2 MB in the end (delta: 12.5 MB). Peak memory consumption was 120.4 MB. Max. memory is 16.0 GB. [2021-06-02 06:39:03,760 INFO L168 Benchmark]: CDTParser took 0.09 ms. Allocated memory is still 360.7 MB. Free memory was 341.5 MB in the beginning and 341.4 MB in the end (delta: 67.7 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-02 06:39:03,761 INFO L168 Benchmark]: CACSL2BoogieTranslator took 628.32 ms. Allocated memory is still 360.7 MB. Free memory was 323.5 MB in the beginning and 323.9 MB in the end (delta: -436.6 kB). Peak memory consumption was 8.1 MB. Max. memory is 16.0 GB. [2021-06-02 06:39:03,761 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.76 ms. Allocated memory is still 360.7 MB. Free memory was 323.9 MB in the beginning and 320.7 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. [2021-06-02 06:39:03,761 INFO L168 Benchmark]: Boogie Preprocessor took 25.01 ms. Allocated memory is still 360.7 MB. Free memory was 320.7 MB in the beginning and 319.7 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-02 06:39:03,762 INFO L168 Benchmark]: RCFGBuilder took 337.92 ms. Allocated memory is still 360.7 MB. Free memory was 319.7 MB in the beginning and 295.6 MB in the end (delta: 24.1 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.0 GB. [2021-06-02 06:39:03,764 INFO L168 Benchmark]: TraceAbstraction took 2039.64 ms. Allocated memory was 360.7 MB in the beginning and 465.6 MB in the end (delta: 104.9 MB). Free memory was 295.6 MB in the beginning and 311.2 MB in the end (delta: -15.7 MB). Peak memory consumption was 89.2 MB. Max. memory is 16.0 GB. [2021-06-02 06:39:03,767 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09 ms. Allocated memory is still 360.7 MB. Free memory was 341.5 MB in the beginning and 341.4 MB in the end (delta: 67.7 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 628.32 ms. Allocated memory is still 360.7 MB. Free memory was 323.5 MB in the beginning and 323.9 MB in the end (delta: -436.6 kB). Peak memory consumption was 8.1 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 44.76 ms. Allocated memory is still 360.7 MB. Free memory was 323.9 MB in the beginning and 320.7 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 25.01 ms. Allocated memory is still 360.7 MB. Free memory was 320.7 MB in the beginning and 319.7 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.0 GB. * RCFGBuilder took 337.92 ms. Allocated memory is still 360.7 MB. Free memory was 319.7 MB in the beginning and 295.6 MB in the end (delta: 24.1 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.0 GB. * TraceAbstraction took 2039.64 ms. Allocated memory was 360.7 MB in the beginning and 465.6 MB in the end (delta: 104.9 MB). Free memory was 295.6 MB in the beginning and 311.2 MB in the end (delta: -15.7 MB). Peak memory consumption was 89.2 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 3673, positive: 3590, positive conditional: 3590, positive unconditional: 0, negative: 83, negative conditional: 83, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 3642, positive: 3590, positive conditional: 3590, positive unconditional: 0, negative: 52, negative conditional: 52, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 12862, positive: 12633, positive conditional: 0, positive unconditional: 12633, negative: 229, negative conditional: 0, negative unconditional: 229, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2633, positive: 2597, positive conditional: 0, positive unconditional: 2597, negative: 36, negative conditional: 0, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2633, positive: 2574, positive conditional: 0, positive unconditional: 2574, negative: 59, negative conditional: 0, negative unconditional: 59, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 59, positive: 23, positive conditional: 0, positive unconditional: 23, negative: 36, negative conditional: 0, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 70, positive: 32, positive conditional: 9, positive unconditional: 23, negative: 38, negative conditional: 2, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 143, positive: 76, positive conditional: 11, positive unconditional: 65, negative: 67, negative conditional: 3, negative unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 12862, positive: 10036, positive conditional: 0, positive unconditional: 10036, negative: 193, negative conditional: 0, negative unconditional: 193, unknown: 2633, unknown conditional: 0, unknown unconditional: 2633] , Statistics on independence cache: Total cache size (in pairs): 2644, Positive cache size: 2606, Positive conditional cache size: 9, Positive unconditional cache size: 2597, Negative cache size: 38, Negative conditional cache size: 2, Negative unconditional cache size: 36, SemanticConditionEliminator.Independence Queries: [ total: 507, positive: 114, positive conditional: 114, positive unconditional: 0, negative: 393, negative conditional: 9, negative unconditional: 384, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 507, positive: 114, positive conditional: 114, positive unconditional: 0, negative: 393, negative conditional: 9, negative unconditional: 384, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 70, positive: 32, positive conditional: 9, positive unconditional: 23, negative: 38, negative conditional: 2, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 143, positive: 76, positive conditional: 11, positive unconditional: 65, negative: 67, negative conditional: 3, negative unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 507, positive: 105, positive conditional: 105, positive unconditional: 0, negative: 391, negative conditional: 7, negative unconditional: 384, unknown: 11, unknown conditional: 11, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2644, Positive cache size: 2606, Positive conditional cache size: 9, Positive unconditional cache size: 2597, Negative cache size: 38, Negative conditional cache size: 2, Negative unconditional cache size: 36, Eliminated conditions: 384, SemanticConditionEliminator.Independence Queries: [ total: 507, positive: 114, positive conditional: 114, positive unconditional: 0, negative: 393, negative conditional: 9, negative unconditional: 384, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 507, positive: 114, positive conditional: 114, positive unconditional: 0, negative: 393, negative conditional: 9, negative unconditional: 384, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 70, positive: 32, positive conditional: 9, positive unconditional: 23, negative: 38, negative conditional: 2, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 143, positive: 76, positive conditional: 11, positive unconditional: 65, negative: 67, negative conditional: 3, negative unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 507, positive: 105, positive conditional: 105, positive unconditional: 0, negative: 391, negative conditional: 7, negative unconditional: 384, unknown: 11, unknown conditional: 11, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2644, Positive cache size: 2606, Positive conditional cache size: 9, Positive unconditional cache size: 2597, Negative cache size: 38, Negative conditional cache size: 2, Negative unconditional cache size: 36, Eliminated conditions: 384, SemanticConditionEliminator.Independence Queries: [ total: 507, positive: 114, positive conditional: 114, positive unconditional: 0, negative: 393, negative conditional: 9, negative unconditional: 384, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 507, positive: 114, positive conditional: 114, positive unconditional: 0, negative: 393, negative conditional: 9, negative unconditional: 384, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 70, positive: 32, positive conditional: 9, positive unconditional: 23, negative: 38, negative conditional: 2, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 143, positive: 76, positive conditional: 11, positive unconditional: 65, negative: 67, negative conditional: 3, negative unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 507, positive: 105, positive conditional: 105, positive unconditional: 0, negative: 391, negative conditional: 7, negative unconditional: 384, unknown: 11, unknown conditional: 11, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2644, Positive cache size: 2606, Positive conditional cache size: 9, Positive unconditional cache size: 2597, Negative cache size: 38, Negative conditional cache size: 2, Negative unconditional cache size: 36, Eliminated conditions: 384, SemanticConditionEliminator.Independence Queries: [ total: 507, positive: 114, positive conditional: 114, positive unconditional: 0, negative: 393, negative conditional: 9, negative unconditional: 384, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 507, positive: 114, positive conditional: 114, positive unconditional: 0, negative: 393, negative conditional: 9, negative unconditional: 384, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 70, positive: 32, positive conditional: 9, positive unconditional: 23, negative: 38, negative conditional: 2, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 143, positive: 76, positive conditional: 11, positive unconditional: 65, negative: 67, negative conditional: 3, negative unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 507, positive: 105, positive conditional: 105, positive unconditional: 0, negative: 391, negative conditional: 7, negative unconditional: 384, unknown: 11, unknown conditional: 11, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2644, Positive cache size: 2606, Positive conditional cache size: 9, Positive unconditional cache size: 2597, Negative cache size: 38, Negative conditional cache size: 2, Negative unconditional cache size: 36, Eliminated conditions: 384, SemanticConditionEliminator.Independence Queries: [ total: 507, positive: 114, positive conditional: 114, positive unconditional: 0, negative: 393, negative conditional: 9, negative unconditional: 384, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 507, positive: 114, positive conditional: 114, positive unconditional: 0, negative: 393, negative conditional: 9, negative unconditional: 384, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 70, positive: 32, positive conditional: 9, positive unconditional: 23, negative: 38, negative conditional: 2, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 143, positive: 76, positive conditional: 11, positive unconditional: 65, negative: 67, negative conditional: 3, negative unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 507, positive: 105, positive conditional: 105, positive unconditional: 0, negative: 391, negative conditional: 7, negative unconditional: 384, unknown: 11, unknown conditional: 11, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2644, Positive cache size: 2606, Positive conditional cache size: 9, Positive unconditional cache size: 2597, Negative cache size: 38, Negative conditional cache size: 2, Negative unconditional cache size: 36, Eliminated conditions: 384, SemanticConditionEliminator.Independence Queries: [ total: 507, positive: 114, positive conditional: 114, positive unconditional: 0, negative: 393, negative conditional: 9, negative unconditional: 384, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 507, positive: 114, positive conditional: 114, positive unconditional: 0, negative: 393, negative conditional: 9, negative unconditional: 384, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 70, positive: 32, positive conditional: 9, positive unconditional: 23, negative: 38, negative conditional: 2, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 143, positive: 76, positive conditional: 11, positive unconditional: 65, negative: 67, negative conditional: 3, negative unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 507, positive: 105, positive conditional: 105, positive unconditional: 0, negative: 391, negative conditional: 7, negative unconditional: 384, unknown: 11, unknown conditional: 11, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2644, Positive cache size: 2606, Positive conditional cache size: 9, Positive unconditional cache size: 2597, Negative cache size: 38, Negative conditional cache size: 2, Negative unconditional cache size: 36, Eliminated conditions: 384 ], Maximal queried relation: 6, Independence queries for same thread: 31 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 471, Number of persistent set computation: 1241, Number of trivial persistent sets: 907, Underlying independence relation: CachedIndependenceRelation.Independence Queries: [ total: 12862, positive: 12633, positive conditional: 0, positive unconditional: 12633, negative: 229, negative conditional: 0, negative unconditional: 229, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2633, positive: 2597, positive conditional: 0, positive unconditional: 2597, negative: 36, negative conditional: 0, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2633, positive: 2574, positive conditional: 0, positive unconditional: 2574, negative: 59, negative conditional: 0, negative unconditional: 59, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 59, positive: 23, positive conditional: 0, positive unconditional: 23, negative: 36, negative conditional: 0, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 70, positive: 32, positive conditional: 9, positive unconditional: 23, negative: 38, negative conditional: 2, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 143, positive: 76, positive conditional: 11, positive unconditional: 65, negative: 67, negative conditional: 3, negative unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 12862, positive: 10036, positive conditional: 0, positive unconditional: 10036, negative: 193, negative conditional: 0, negative unconditional: 193, unknown: 2633, unknown conditional: 0, unknown unconditional: 2633] , Statistics on independence cache: Total cache size (in pairs): 2644, Positive cache size: 2606, Positive conditional cache size: 9, Positive unconditional cache size: 2597, Negative cache size: 38, Negative conditional cache size: 2, Negative unconditional cache size: 36 - PositiveResult [Line: 18]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 106 locations, 4 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1942.4ms, OverallIterations: 6, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 11.6ms, PartialOrderReductionTime: 1095.8ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 46, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 19.3ms SsaConstructionTime, 139.5ms SatisfiabilityAnalysisTime, 495.0ms InterpolantComputationTime, 338 NumberOfCodeBlocks, 338 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 332 ConstructedInterpolants, 0 QuantifiedInterpolants, 854 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! Received shutdown request...